Daikin EKHWSU250D3V3 [13/24] To connect the electrical wiring on the domestic hot water tank

Daikin EKHWSU250D3V3 [13/24] To connect the electrical wiring on the domestic hot water tank
6 Installation
Installation manual
13
EKHWSU150~300D3V3 + EKEXPVES
Domestic hot water tank with option kit for air to water heat pump
system
4P510673-1B – 2018.01
5432 1
X8M
X1M
X4M
K3M
X2M
A1P
1 2
2
X4M
43 87
R5T
>50 mm
M3S
M3S
L
BRN
BLU
BLK
N YL
BLK
BLU
BRN
N Y
X2M
5 4 3
F2B
N
X8M
L
2
K3M
1
230 V AC
3 kW
L N
V3
6.5.4 To connect the electrical wiring on the
domestic hot water tank
WARNING
Make sure all field wiring is insulated from the surface of
the inspection hole or can resist temperatures to 90°C.
1 Remove the switch box cover from the tank.
2 Route the booster heater power supply cable and the thermistor
cable (for EKHWS200: ONLY booster heater power supply
cable) through one of the recesses at the bottom of the tank
and then through the cable conduit that leads to the tank switch
box.
3 In case of EKHWS200,
route the thermistor cable
in a conduit to the
thermistor inserting tube
located above the tank
switch box.

For all other models, insert the
thermistor in the opening.
4 Insert the thermistor in the
thermistor inserting tube
and fix it by using the PG.
Fix the thermistor with insulation
tape. Notice: Make sure that the
thermistor has thermal contact
with the metal tank wall.
5 Carefully pull on the thermal protector to disengage it and
temporarily remove it from the tank.
6 Connect the earth wire of the booster heater power supply
cable to the booster heating element.
7 Re-install the thermal protector to the tank.
8 Connect the booster heater power supply cable (see also wiring
diagram sticker on the inside of the switch box lid).

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